This pamphlet is a statement of some of the main principles that are applied by courts, tribunals and other administrative law review bodies when they are called on to interpret legislation in the context of evaluating the validity or propriety of government administrative action. As that point implies, it is important in interpreting legislation to adopt an objective approach – to bear in mind how a review body may view the legislation.

http://www.claytonutz.com/docs/GDMG_InterpLeg.pdf